公开(公告)号：US10111253B2

公开(公告)日：2018-10-23

申请号：US15172466

申请日：2016-06-03

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Hyung Oh ,  Sang Woon Jeon ,  Myung Sun Song

IPC: H04W28/02 ,  H04W40/24 ,  H04W52/02 ,  H04W74/08 ,  H04B7/06 ,  H04L5/00

Abstract: Provided is a communication method in a wireless communication system using an interference alignment. The method includes: receiving, by a first AP, a data stream by using N1 (natural number) first reception antennas, and receiving, by a second AP, the data stream by using N2 (natural number) second reception antennas, in a wireless communication system including the first AP and the second AP which receive the data stream through a transmission beam which one or more user terminals having m (natural number) transmission antennas within a given number transmit; and updating to selectively add a part of user terminals which are newly connected to the first AP and the second AP to a set of connected user terminal, and transmitting, by each terminal of the set of connected user terminal, linearly independent transmission beams by applying an interference alignment with respect to a plurality of the first and the second reception antennas for the updated set of connected user terminal.